Electroconvulsive therapy remains a powerful and fast-acting salve for patients whose depression doesn't yield to lesser treatments, and now researchers believe they know why: A new study finds that shocking the brain induces structural changes in the brain's amygdala and hippocampus, structures...

The next time you bite into a Pizza Hut pizza, a Krispy Kreme doughnut or a slice of Companion bread, ask yourself "How did this crust get so flaky?" "How did this doughnut become so light?" "How did this bread come to be so chewy?"

CHICAGO - As a twin, astronaut Scott Kelly knew his mission to spend a year on the International Space Station offered the perfect opportunity for a science experiment. Kelly launched into space Friday on a Soyuz space capsule while his brother, retired astronaut Mark Kelly, remained on Earth as...

Dark matter just got a shade more mysterious. Scientists studying a smashup between giant clusters of galaxies have watched how each cluster's dark matter passes through the collision - and found that it seems to contradict certain theories of how dark matter behaves.

If U.S. high-school graduates don't understand the principles of freedom and equality essential to American government and the historical roots of these principles, how can we expect them to affirm and defend these principles as adults?